A center drill with high sharpness and excellent durability. Provides a combination of sharpness and breakage resistance by combining the use of cobalt high speed steel, increased tool accuracy, and optimization of its shape.

Cutting edge is not lacking due to long service life. The tip chipping prevented by double-angle point. No tip breakage as compared with the conventional center drill. Excellent sharpness in the strong twist design.

Cutting edge is not lacking due to long service life. The tip chipping prevented by double-angle point. No tip breakage as compared with the conventional center drill. Excellent sharpness in the strong twist design.

A center drill with high sharpness and excellent durability. Provides a combination of sharpness and breakage resistance by combining the use of cobalt high speed steel, increased tool accuracy, and optimization of its shape.